Just how American bullets make their way into Bahraini guns, into weapons used by troops suppressing pro-democracy protesters, opens a wider window into the shadowy relationships between the Pentagon and a number of autocratic states in the Arab world.

To understand just how bad the 112th Congress, elected on November 2nd and taking office on January 3rd, is likely to be for peace on Earth, one has to understand how incredibly awful the 110th and 111th Congresses have been during the past four years and then measure the ways in which things are likely to become even worse.

For as long as I could remember, the Brandenburg Gate had been the preeminent symbol of the age and Berlin the epicenter of contemporary history. Yet by the time I made it to the once and future German capital, history was already moving on.